-#define FIELD_KERNEL "KERNEL"
-#define FIELD_SUBSYSTEM "SUBSYSTEM"
-#define FIELD_BUS "BUS"
-#define FIELD_SYSFS "SYSFS"
-#define FIELD_ID "ID"
-#define FIELD_PROGRAM "PROGRAM"
-#define FIELD_RESULT "RESULT"
-#define FIELD_DRIVER "DRIVER"
-#define FIELD_NAME "NAME"
-#define FIELD_SYMLINK "SYMLINK"
-#define FIELD_OWNER "OWNER"
-#define FIELD_GROUP "GROUP"
-#define FIELD_MODE "MODE"
-#define FIELD_OPTIONS "OPTIONS"
-
+#define KEY_KERNEL "KERNEL"
+#define KEY_SUBSYSTEM "SUBSYSTEM"
+#define KEY_ACTION "ACTION"
+#define KEY_BUS "BUS"
+#define KEY_ID "ID"
+#define KEY_PROGRAM "PROGRAM"
+#define KEY_RESULT "RESULT"
+#define KEY_DRIVER "DRIVER"
+#define KEY_SYSFS "SYSFS"
+#define KEY_ENV "ENV"
+#define KEY_NAME "NAME"
+#define KEY_SYMLINK "SYMLINK"
+#define KEY_OWNER "OWNER"
+#define KEY_GROUP "GROUP"
+#define KEY_MODE "MODE"
+#define KEY_RUN "RUN"
+#define KEY_OPTIONS "OPTIONS"
+
+#define OPTION_LAST_RULE "last_rule"